He is also promoting the construction of Burj Khalifa (pictured above), which is now the tallest free-standing structure in the world. When it is completed before year's end, it will officially become the world's tallest building at 818 meters tall. (By comparison, the Empire State Building is 449 meters, Louisville's Aegon Tower is 167 meters, Lexington's Financial Center is 125 meters, and The Ascent in Covington is 89 meters.)